1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2019 Marvell International Ltd.
7 #include <rte_ethdev_pci.h>
9 #include <rte_malloc.h>
11 #include <rte_mbuf_pool_ops.h>
12 #include <rte_mempool.h>
14 #include "otx2_ethdev.h"
16 static inline uint64_t
17 nix_get_rx_offload_capa(struct otx2_eth_dev *dev)
19 uint64_t capa = NIX_RX_OFFLOAD_CAPA;
21 if (otx2_dev_is_vf(dev))
22 capa &= ~DEV_RX_OFFLOAD_TIMESTAMP;
27 static inline uint64_t
28 nix_get_tx_offload_capa(struct otx2_eth_dev *dev)
32 return NIX_TX_OFFLOAD_CAPA;
35 static const struct otx2_dev_ops otx2_dev_ops = {
36 .link_status_update = otx2_eth_dev_link_status_update,
37 .ptp_info_update = otx2_eth_dev_ptp_info_update
41 nix_lf_alloc(struct otx2_eth_dev *dev, uint32_t nb_rxq, uint32_t nb_txq)
43 struct otx2_mbox *mbox = dev->mbox;
44 struct nix_lf_alloc_req *req;
45 struct nix_lf_alloc_rsp *rsp;
48 req = otx2_mbox_alloc_msg_nix_lf_alloc(mbox);
52 /* XQE_SZ should be in Sync with NIX_CQ_ENTRY_SZ */
53 RTE_BUILD_BUG_ON(NIX_CQ_ENTRY_SZ != 128);
54 req->xqe_sz = NIX_XQESZ_W16;
55 req->rss_sz = dev->rss_info.rss_size;
56 req->rss_grps = NIX_RSS_GRPS;
57 req->npa_func = otx2_npa_pf_func_get();
58 req->sso_func = otx2_sso_pf_func_get();
59 req->rx_cfg = BIT_ULL(35 /* DIS_APAD */);
60 if (dev->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM |
61 DEV_RX_OFFLOAD_UDP_CKSUM)) {
62 req->rx_cfg |= BIT_ULL(37 /* CSUM_OL4 */);
63 req->rx_cfg |= BIT_ULL(36 /* CSUM_IL4 */);
65 req->rx_cfg |= BIT_ULL(32 /* DROP_RE */);
67 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
71 dev->sqb_size = rsp->sqb_size;
72 dev->tx_chan_base = rsp->tx_chan_base;
73 dev->rx_chan_base = rsp->rx_chan_base;
74 dev->rx_chan_cnt = rsp->rx_chan_cnt;
75 dev->tx_chan_cnt = rsp->tx_chan_cnt;
76 dev->lso_tsov4_idx = rsp->lso_tsov4_idx;
77 dev->lso_tsov6_idx = rsp->lso_tsov6_idx;
78 dev->lf_tx_stats = rsp->lf_tx_stats;
79 dev->lf_rx_stats = rsp->lf_rx_stats;
80 dev->cints = rsp->cints;
81 dev->qints = rsp->qints;
82 dev->npc_flow.channel = dev->rx_chan_base;
88 nix_lf_free(struct otx2_eth_dev *dev)
90 struct otx2_mbox *mbox = dev->mbox;
91 struct nix_lf_free_req *req;
92 struct ndc_sync_op *ndc_req;
95 /* Sync NDC-NIX for LF */
96 ndc_req = otx2_mbox_alloc_msg_ndc_sync_op(mbox);
97 ndc_req->nix_lf_tx_sync = 1;
98 ndc_req->nix_lf_rx_sync = 1;
99 rc = otx2_mbox_process(mbox);
101 otx2_err("Error on NDC-NIX-[TX, RX] LF sync, rc %d", rc);
103 req = otx2_mbox_alloc_msg_nix_lf_free(mbox);
104 /* Let AF driver free all this nix lf's
105 * NPC entries allocated using NPC MBOX.
109 return otx2_mbox_process(mbox);
113 otx2_cgx_rxtx_start(struct otx2_eth_dev *dev)
115 struct otx2_mbox *mbox = dev->mbox;
117 if (otx2_dev_is_vf(dev))
120 otx2_mbox_alloc_msg_cgx_start_rxtx(mbox);
122 return otx2_mbox_process(mbox);
126 otx2_cgx_rxtx_stop(struct otx2_eth_dev *dev)
128 struct otx2_mbox *mbox = dev->mbox;
130 if (otx2_dev_is_vf(dev))
133 otx2_mbox_alloc_msg_cgx_stop_rxtx(mbox);
135 return otx2_mbox_process(mbox);
139 npc_rx_enable(struct otx2_eth_dev *dev)
141 struct otx2_mbox *mbox = dev->mbox;
143 otx2_mbox_alloc_msg_nix_lf_start_rx(mbox);
145 return otx2_mbox_process(mbox);
149 npc_rx_disable(struct otx2_eth_dev *dev)
151 struct otx2_mbox *mbox = dev->mbox;
153 otx2_mbox_alloc_msg_nix_lf_stop_rx(mbox);
155 return otx2_mbox_process(mbox);
159 nix_cgx_start_link_event(struct otx2_eth_dev *dev)
161 struct otx2_mbox *mbox = dev->mbox;
163 if (otx2_dev_is_vf(dev))
166 otx2_mbox_alloc_msg_cgx_start_linkevents(mbox);
168 return otx2_mbox_process(mbox);
172 cgx_intlbk_enable(struct otx2_eth_dev *dev, bool en)
174 struct otx2_mbox *mbox = dev->mbox;
176 if (otx2_dev_is_vf(dev))
180 otx2_mbox_alloc_msg_cgx_intlbk_enable(mbox);
182 otx2_mbox_alloc_msg_cgx_intlbk_disable(mbox);
184 return otx2_mbox_process(mbox);
188 nix_cgx_stop_link_event(struct otx2_eth_dev *dev)
190 struct otx2_mbox *mbox = dev->mbox;
192 if (otx2_dev_is_vf(dev))
195 otx2_mbox_alloc_msg_cgx_stop_linkevents(mbox);
197 return otx2_mbox_process(mbox);
201 nix_rx_queue_reset(struct otx2_eth_rxq *rxq)
207 static inline uint32_t
208 nix_qsize_to_val(enum nix_q_size_e qsize)
210 return (16UL << (qsize * 2));
213 static inline enum nix_q_size_e
214 nix_qsize_clampup_get(struct otx2_eth_dev *dev, uint32_t val)
218 if (otx2_ethdev_fixup_is_min_4k_q(dev))
223 for (; i < nix_q_size_max; i++)
224 if (val <= nix_qsize_to_val(i))
227 if (i >= nix_q_size_max)
228 i = nix_q_size_max - 1;
234 nix_cq_rq_init(struct rte_eth_dev *eth_dev, struct otx2_eth_dev *dev,
235 uint16_t qid, struct otx2_eth_rxq *rxq, struct rte_mempool *mp)
237 struct otx2_mbox *mbox = dev->mbox;
238 const struct rte_memzone *rz;
239 uint32_t ring_size, cq_size;
240 struct nix_aq_enq_req *aq;
245 ring_size = cq_size * NIX_CQ_ENTRY_SZ;
246 rz = rte_eth_dma_zone_reserve(eth_dev, "cq", qid, ring_size,
247 NIX_CQ_ALIGN, dev->node);
249 otx2_err("Failed to allocate mem for cq hw ring");
253 memset(rz->addr, 0, rz->len);
254 rxq->desc = (uintptr_t)rz->addr;
255 rxq->qmask = cq_size - 1;
257 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
259 aq->ctype = NIX_AQ_CTYPE_CQ;
260 aq->op = NIX_AQ_INSTOP_INIT;
264 aq->cq.qsize = rxq->qsize;
265 aq->cq.base = rz->iova;
266 aq->cq.avg_level = 0xff;
267 aq->cq.cq_err_int_ena = BIT(NIX_CQERRINT_CQE_FAULT);
268 aq->cq.cq_err_int_ena |= BIT(NIX_CQERRINT_DOOR_ERR);
270 /* Many to one reduction */
271 aq->cq.qint_idx = qid % dev->qints;
272 /* Map CQ0 [RQ0] to CINT0 and so on till max 64 irqs */
273 aq->cq.cint_idx = qid;
275 if (otx2_ethdev_fixup_is_limit_cq_full(dev)) {
276 const float rx_cq_skid = NIX_CQ_FULL_ERRATA_SKID;
277 uint16_t min_rx_drop;
279 min_rx_drop = ceil(rx_cq_skid / (float)cq_size);
280 aq->cq.drop = min_rx_drop;
282 rxq->cq_drop = min_rx_drop;
284 rxq->cq_drop = NIX_CQ_THRESH_LEVEL;
285 aq->cq.drop = rxq->cq_drop;
289 /* TX pause frames enable flowctrl on RX side */
290 if (dev->fc_info.tx_pause) {
291 /* Single bpid is allocated for all rx channels for now */
292 aq->cq.bpid = dev->fc_info.bpid[0];
293 aq->cq.bp = rxq->cq_drop;
297 rc = otx2_mbox_process(mbox);
299 otx2_err("Failed to init cq context");
303 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
305 aq->ctype = NIX_AQ_CTYPE_RQ;
306 aq->op = NIX_AQ_INSTOP_INIT;
309 aq->rq.cq = qid; /* RQ to CQ 1:1 mapped */
311 aq->rq.lpb_aura = npa_lf_aura_handle_to_aura(mp->pool_id);
312 first_skip = (sizeof(struct rte_mbuf));
313 first_skip += RTE_PKTMBUF_HEADROOM;
314 first_skip += rte_pktmbuf_priv_size(mp);
315 rxq->data_off = first_skip;
317 first_skip /= 8; /* Expressed in number of dwords */
318 aq->rq.first_skip = first_skip;
319 aq->rq.later_skip = (sizeof(struct rte_mbuf) / 8);
320 aq->rq.flow_tagw = 32; /* 32-bits */
321 aq->rq.lpb_sizem1 = rte_pktmbuf_data_room_size(mp);
322 aq->rq.lpb_sizem1 += rte_pktmbuf_priv_size(mp);
323 aq->rq.lpb_sizem1 += sizeof(struct rte_mbuf);
324 aq->rq.lpb_sizem1 /= 8;
325 aq->rq.lpb_sizem1 -= 1; /* Expressed in size minus one */
327 aq->rq.pb_caching = 0x2; /* First cache aligned block to LLC */
328 aq->rq.xqe_imm_size = 0; /* No pkt data copy to CQE */
329 aq->rq.rq_int_ena = 0;
330 /* Many to one reduction */
331 aq->rq.qint_idx = qid % dev->qints;
333 aq->rq.xqe_drop_ena = 1;
335 rc = otx2_mbox_process(mbox);
337 otx2_err("Failed to init rq context");
347 nix_rq_enb_dis(struct rte_eth_dev *eth_dev,
348 struct otx2_eth_rxq *rxq, const bool enb)
350 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
351 struct otx2_mbox *mbox = dev->mbox;
352 struct nix_aq_enq_req *aq;
354 /* Pkts will be dropped silently if RQ is disabled */
355 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
357 aq->ctype = NIX_AQ_CTYPE_RQ;
358 aq->op = NIX_AQ_INSTOP_WRITE;
361 aq->rq_mask.ena = ~(aq->rq_mask.ena);
363 return otx2_mbox_process(mbox);
367 nix_cq_rq_uninit(struct rte_eth_dev *eth_dev, struct otx2_eth_rxq *rxq)
369 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
370 struct otx2_mbox *mbox = dev->mbox;
371 struct nix_aq_enq_req *aq;
374 /* RQ is already disabled */
376 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
378 aq->ctype = NIX_AQ_CTYPE_CQ;
379 aq->op = NIX_AQ_INSTOP_WRITE;
382 aq->cq_mask.ena = ~(aq->cq_mask.ena);
384 rc = otx2_mbox_process(mbox);
386 otx2_err("Failed to disable cq context");
394 nix_get_data_off(struct otx2_eth_dev *dev)
396 return otx2_ethdev_is_ptp_en(dev) ? NIX_TIMESYNC_RX_OFFSET : 0;
400 otx2_nix_rxq_mbuf_setup(struct otx2_eth_dev *dev, uint16_t port_id)
402 struct rte_mbuf mb_def;
405 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) % 8 != 0);
406 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, refcnt) -
407 offsetof(struct rte_mbuf, data_off) != 2);
408 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, nb_segs) -
409 offsetof(struct rte_mbuf, data_off) != 4);
410 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, port) -
411 offsetof(struct rte_mbuf, data_off) != 6);
413 mb_def.data_off = RTE_PKTMBUF_HEADROOM + nix_get_data_off(dev);
414 mb_def.port = port_id;
415 rte_mbuf_refcnt_set(&mb_def, 1);
417 /* Prevent compiler reordering: rearm_data covers previous fields */
418 rte_compiler_barrier();
419 tmp = (uint64_t *)&mb_def.rearm_data;
425 otx2_nix_rx_queue_release(void *rx_queue)
427 struct otx2_eth_rxq *rxq = rx_queue;
432 otx2_nix_dbg("Releasing rxq %u", rxq->rq);
433 nix_cq_rq_uninit(rxq->eth_dev, rxq);
438 otx2_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t rq,
439 uint16_t nb_desc, unsigned int socket,
440 const struct rte_eth_rxconf *rx_conf,
441 struct rte_mempool *mp)
443 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
444 struct rte_mempool_ops *ops;
445 struct otx2_eth_rxq *rxq;
446 const char *platform_ops;
447 enum nix_q_size_e qsize;
453 /* Compile time check to make sure all fast path elements in a CL */
454 RTE_BUILD_BUG_ON(offsetof(struct otx2_eth_rxq, slow_path_start) >= 128);
457 if (rx_conf->rx_deferred_start == 1) {
458 otx2_err("Deferred Rx start is not supported");
462 platform_ops = rte_mbuf_platform_mempool_ops();
463 /* This driver needs octeontx2_npa mempool ops to work */
464 ops = rte_mempool_get_ops(mp->ops_index);
465 if (strncmp(ops->name, platform_ops, RTE_MEMPOOL_OPS_NAMESIZE)) {
466 otx2_err("mempool ops should be of octeontx2_npa type");
470 if (mp->pool_id == 0) {
471 otx2_err("Invalid pool_id");
475 /* Free memory prior to re-allocation if needed */
476 if (eth_dev->data->rx_queues[rq] != NULL) {
477 otx2_nix_dbg("Freeing memory prior to re-allocation %d", rq);
478 otx2_nix_rx_queue_release(eth_dev->data->rx_queues[rq]);
479 eth_dev->data->rx_queues[rq] = NULL;
482 offloads = rx_conf->offloads | eth_dev->data->dev_conf.rxmode.offloads;
483 dev->rx_offloads |= offloads;
485 /* Find the CQ queue size */
486 qsize = nix_qsize_clampup_get(dev, nb_desc);
487 /* Allocate rxq memory */
488 rxq = rte_zmalloc_socket("otx2 rxq", sizeof(*rxq), OTX2_ALIGN, socket);
490 otx2_err("Failed to allocate rq=%d", rq);
495 rxq->eth_dev = eth_dev;
497 rxq->cq_door = dev->base + NIX_LF_CQ_OP_DOOR;
498 rxq->cq_status = (int64_t *)(dev->base + NIX_LF_CQ_OP_STATUS);
499 rxq->wdata = (uint64_t)rq << 32;
500 rxq->aura = npa_lf_aura_handle_to_aura(mp->pool_id);
501 rxq->mbuf_initializer = otx2_nix_rxq_mbuf_setup(dev,
502 eth_dev->data->port_id);
503 rxq->offloads = offloads;
505 rxq->qlen = nix_qsize_to_val(qsize);
507 rxq->lookup_mem = otx2_nix_fastpath_lookup_mem_get();
508 rxq->tstamp = &dev->tstamp;
510 /* Alloc completion queue */
511 rc = nix_cq_rq_init(eth_dev, dev, rq, rxq, mp);
513 otx2_err("Failed to allocate rxq=%u", rq);
517 rxq->qconf.socket_id = socket;
518 rxq->qconf.nb_desc = nb_desc;
519 rxq->qconf.mempool = mp;
520 memcpy(&rxq->qconf.conf.rx, rx_conf, sizeof(struct rte_eth_rxconf));
522 nix_rx_queue_reset(rxq);
523 otx2_nix_dbg("rq=%d pool=%s qsize=%d nb_desc=%d->%d",
524 rq, mp->name, qsize, nb_desc, rxq->qlen);
526 eth_dev->data->rx_queues[rq] = rxq;
527 eth_dev->data->rx_queue_state[rq] = RTE_ETH_QUEUE_STATE_STOPPED;
529 /* Calculating delta and freq mult between PTP HI clock and tsc.
530 * These are needed in deriving raw clock value from tsc counter.
531 * read_clock eth op returns raw clock value.
533 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) ||
534 otx2_ethdev_is_ptp_en(dev)) {
535 rc = otx2_nix_raw_clock_tsc_conv(dev);
537 otx2_err("Failed to calculate delta and freq mult");
545 otx2_nix_rx_queue_release(rxq);
550 static inline uint8_t
551 nix_sq_max_sqe_sz(struct otx2_eth_txq *txq)
554 * Maximum three segments can be supported with W8, Choose
555 * NIX_MAXSQESZ_W16 for multi segment offload.
557 if (txq->offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
558 return NIX_MAXSQESZ_W16;
560 return NIX_MAXSQESZ_W8;
564 nix_rx_offload_flags(struct rte_eth_dev *eth_dev)
566 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
567 struct rte_eth_dev_data *data = eth_dev->data;
568 struct rte_eth_conf *conf = &data->dev_conf;
569 struct rte_eth_rxmode *rxmode = &conf->rxmode;
572 if (rxmode->mq_mode == ETH_MQ_RX_RSS)
573 flags |= NIX_RX_OFFLOAD_RSS_F;
575 if (dev->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM |
576 DEV_RX_OFFLOAD_UDP_CKSUM))
577 flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
579 if (dev->rx_offloads & (DEV_RX_OFFLOAD_IPV4_CKSUM |
580 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM))
581 flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
583 if (dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER)
584 flags |= NIX_RX_MULTI_SEG_F;
586 if (dev->rx_offloads & (DEV_RX_OFFLOAD_VLAN_STRIP |
587 DEV_RX_OFFLOAD_QINQ_STRIP))
588 flags |= NIX_RX_OFFLOAD_VLAN_STRIP_F;
590 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
591 flags |= NIX_RX_OFFLOAD_TSTAMP_F;
597 nix_tx_offload_flags(struct rte_eth_dev *eth_dev)
599 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
600 uint64_t conf = dev->tx_offloads;
603 /* Fastpath is dependent on these enums */
604 RTE_BUILD_BUG_ON(PKT_TX_TCP_CKSUM != (1ULL << 52));
605 RTE_BUILD_BUG_ON(PKT_TX_SCTP_CKSUM != (2ULL << 52));
606 RTE_BUILD_BUG_ON(PKT_TX_UDP_CKSUM != (3ULL << 52));
607 RTE_BUILD_BUG_ON(PKT_TX_IP_CKSUM != (1ULL << 54));
608 RTE_BUILD_BUG_ON(PKT_TX_IPV4 != (1ULL << 55));
609 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IP_CKSUM != (1ULL << 58));
610 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV4 != (1ULL << 59));
611 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV6 != (1ULL << 60));
612 RTE_BUILD_BUG_ON(PKT_TX_OUTER_UDP_CKSUM != (1ULL << 41));
613 RTE_BUILD_BUG_ON(RTE_MBUF_L2_LEN_BITS != 7);
614 RTE_BUILD_BUG_ON(RTE_MBUF_L3_LEN_BITS != 9);
615 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL2_LEN_BITS != 7);
616 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL3_LEN_BITS != 9);
617 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) !=
618 offsetof(struct rte_mbuf, buf_iova) + 8);
619 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
620 offsetof(struct rte_mbuf, buf_iova) + 16);
621 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
622 offsetof(struct rte_mbuf, ol_flags) + 12);
623 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, tx_offload) !=
624 offsetof(struct rte_mbuf, pool) + 2 * sizeof(void *));
626 if (conf & DEV_TX_OFFLOAD_VLAN_INSERT ||
627 conf & DEV_TX_OFFLOAD_QINQ_INSERT)
628 flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
630 if (conf & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM ||
631 conf & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
632 flags |= NIX_TX_OFFLOAD_OL3_OL4_CSUM_F;
634 if (conf & DEV_TX_OFFLOAD_IPV4_CKSUM ||
635 conf & DEV_TX_OFFLOAD_TCP_CKSUM ||
636 conf & DEV_TX_OFFLOAD_UDP_CKSUM ||
637 conf & DEV_TX_OFFLOAD_SCTP_CKSUM)
638 flags |= NIX_TX_OFFLOAD_L3_L4_CSUM_F;
640 if (!(conf & DEV_TX_OFFLOAD_MBUF_FAST_FREE))
641 flags |= NIX_TX_OFFLOAD_MBUF_NOFF_F;
643 if (conf & DEV_TX_OFFLOAD_MULTI_SEGS)
644 flags |= NIX_TX_MULTI_SEG_F;
646 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
647 flags |= NIX_TX_OFFLOAD_TSTAMP_F;
653 nix_sq_init(struct otx2_eth_txq *txq)
655 struct otx2_eth_dev *dev = txq->dev;
656 struct otx2_mbox *mbox = dev->mbox;
657 struct nix_aq_enq_req *sq;
662 if (txq->sqb_pool->pool_id == 0)
665 rc = otx2_nix_tm_get_leaf_data(dev, txq->sq, &rr_quantum, &smq);
667 otx2_err("Failed to get sq->smq(leaf node), rc=%d", rc);
671 sq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
673 sq->ctype = NIX_AQ_CTYPE_SQ;
674 sq->op = NIX_AQ_INSTOP_INIT;
675 sq->sq.max_sqe_size = nix_sq_max_sqe_sz(txq);
678 sq->sq.smq_rr_quantum = rr_quantum;
679 sq->sq.default_chan = dev->tx_chan_base;
680 sq->sq.sqe_stype = NIX_STYPE_STF;
682 if (sq->sq.max_sqe_size == NIX_MAXSQESZ_W8)
683 sq->sq.sqe_stype = NIX_STYPE_STP;
685 npa_lf_aura_handle_to_aura(txq->sqb_pool->pool_id);
686 sq->sq.sq_int_ena = BIT(NIX_SQINT_LMT_ERR);
687 sq->sq.sq_int_ena |= BIT(NIX_SQINT_SQB_ALLOC_FAIL);
688 sq->sq.sq_int_ena |= BIT(NIX_SQINT_SEND_ERR);
689 sq->sq.sq_int_ena |= BIT(NIX_SQINT_MNQ_ERR);
691 /* Many to one reduction */
692 sq->sq.qint_idx = txq->sq % dev->qints;
694 return otx2_mbox_process(mbox);
698 nix_sq_uninit(struct otx2_eth_txq *txq)
700 struct otx2_eth_dev *dev = txq->dev;
701 struct otx2_mbox *mbox = dev->mbox;
702 struct ndc_sync_op *ndc_req;
703 struct nix_aq_enq_rsp *rsp;
704 struct nix_aq_enq_req *aq;
705 uint16_t sqes_per_sqb;
709 otx2_nix_dbg("Cleaning up sq %u", txq->sq);
711 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
713 aq->ctype = NIX_AQ_CTYPE_SQ;
714 aq->op = NIX_AQ_INSTOP_READ;
716 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
720 /* Check if sq is already cleaned up */
725 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
727 aq->ctype = NIX_AQ_CTYPE_SQ;
728 aq->op = NIX_AQ_INSTOP_WRITE;
730 aq->sq_mask.ena = ~aq->sq_mask.ena;
733 rc = otx2_mbox_process(mbox);
737 /* Read SQ and free sqb's */
738 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
740 aq->ctype = NIX_AQ_CTYPE_SQ;
741 aq->op = NIX_AQ_INSTOP_READ;
743 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
748 otx2_err("SQ has pending sqe's");
750 count = aq->sq.sqb_count;
751 sqes_per_sqb = 1 << txq->sqes_per_sqb_log2;
752 /* Free SQB's that are used */
753 sqb_buf = (void *)rsp->sq.head_sqb;
757 next_sqb = *(void **)((uintptr_t)sqb_buf + ((sqes_per_sqb - 1) *
758 nix_sq_max_sqe_sz(txq)));
759 npa_lf_aura_op_free(txq->sqb_pool->pool_id, 1,
765 /* Free next to use sqb */
766 if (rsp->sq.next_sqb)
767 npa_lf_aura_op_free(txq->sqb_pool->pool_id, 1,
770 /* Sync NDC-NIX-TX for LF */
771 ndc_req = otx2_mbox_alloc_msg_ndc_sync_op(mbox);
772 ndc_req->nix_lf_tx_sync = 1;
773 rc = otx2_mbox_process(mbox);
775 otx2_err("Error on NDC-NIX-TX LF sync, rc %d", rc);
781 nix_sqb_aura_limit_cfg(struct rte_mempool *mp, uint16_t nb_sqb_bufs)
783 struct otx2_npa_lf *npa_lf = otx2_intra_dev_get_cfg()->npa_lf;
784 struct npa_aq_enq_req *aura_req;
786 aura_req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
787 aura_req->aura_id = npa_lf_aura_handle_to_aura(mp->pool_id);
788 aura_req->ctype = NPA_AQ_CTYPE_AURA;
789 aura_req->op = NPA_AQ_INSTOP_WRITE;
791 aura_req->aura.limit = nb_sqb_bufs;
792 aura_req->aura_mask.limit = ~(aura_req->aura_mask.limit);
794 return otx2_mbox_process(npa_lf->mbox);
798 nix_alloc_sqb_pool(int port, struct otx2_eth_txq *txq, uint16_t nb_desc)
800 struct otx2_eth_dev *dev = txq->dev;
801 uint16_t sqes_per_sqb, nb_sqb_bufs;
802 char name[RTE_MEMPOOL_NAMESIZE];
803 struct rte_mempool_objsz sz;
804 struct npa_aura_s *aura;
805 uint32_t tmp, blk_sz;
807 aura = (struct npa_aura_s *)((uintptr_t)txq->fc_mem + OTX2_ALIGN);
808 snprintf(name, sizeof(name), "otx2_sqb_pool_%d_%d", port, txq->sq);
809 blk_sz = dev->sqb_size;
811 if (nix_sq_max_sqe_sz(txq) == NIX_MAXSQESZ_W16)
812 sqes_per_sqb = (dev->sqb_size / 8) / 16;
814 sqes_per_sqb = (dev->sqb_size / 8) / 8;
816 nb_sqb_bufs = nb_desc / sqes_per_sqb;
817 /* Clamp up to devarg passed SQB count */
818 nb_sqb_bufs = RTE_MIN(dev->max_sqb_count, RTE_MAX(NIX_DEF_SQB,
819 nb_sqb_bufs + NIX_SQB_LIST_SPACE));
821 txq->sqb_pool = rte_mempool_create_empty(name, NIX_MAX_SQB, blk_sz,
823 MEMPOOL_F_NO_SPREAD);
824 txq->nb_sqb_bufs = nb_sqb_bufs;
825 txq->sqes_per_sqb_log2 = (uint16_t)rte_log2_u32(sqes_per_sqb);
826 txq->nb_sqb_bufs_adj = nb_sqb_bufs -
827 RTE_ALIGN_MUL_CEIL(nb_sqb_bufs, sqes_per_sqb) / sqes_per_sqb;
828 txq->nb_sqb_bufs_adj =
829 (NIX_SQB_LOWER_THRESH * txq->nb_sqb_bufs_adj) / 100;
831 if (txq->sqb_pool == NULL) {
832 otx2_err("Failed to allocate sqe mempool");
836 memset(aura, 0, sizeof(*aura));
838 aura->fc_addr = txq->fc_iova;
839 aura->fc_hyst_bits = 0; /* Store count on all updates */
840 if (rte_mempool_set_ops_byname(txq->sqb_pool, "octeontx2_npa", aura)) {
841 otx2_err("Failed to set ops for sqe mempool");
844 if (rte_mempool_populate_default(txq->sqb_pool) < 0) {
845 otx2_err("Failed to populate sqe mempool");
849 tmp = rte_mempool_calc_obj_size(blk_sz, MEMPOOL_F_NO_SPREAD, &sz);
850 if (dev->sqb_size != sz.elt_size) {
851 otx2_err("sqe pool block size is not expected %d != %d",
856 nix_sqb_aura_limit_cfg(txq->sqb_pool, txq->nb_sqb_bufs);
864 otx2_nix_form_default_desc(struct otx2_eth_txq *txq)
866 struct nix_send_ext_s *send_hdr_ext;
867 struct nix_send_hdr_s *send_hdr;
868 struct nix_send_mem_s *send_mem;
869 union nix_send_sg_s *sg;
871 /* Initialize the fields based on basic single segment packet */
872 memset(&txq->cmd, 0, sizeof(txq->cmd));
874 if (txq->dev->tx_offload_flags & NIX_TX_NEED_EXT_HDR) {
875 send_hdr = (struct nix_send_hdr_s *)&txq->cmd[0];
876 /* 2(HDR) + 2(EXT_HDR) + 1(SG) + 1(IOVA) = 6/2 - 1 = 2 */
877 send_hdr->w0.sizem1 = 2;
879 send_hdr_ext = (struct nix_send_ext_s *)&txq->cmd[2];
880 send_hdr_ext->w0.subdc = NIX_SUBDC_EXT;
881 if (txq->dev->tx_offload_flags & NIX_TX_OFFLOAD_TSTAMP_F) {
882 /* Default: one seg packet would have:
883 * 2(HDR) + 2(EXT) + 1(SG) + 1(IOVA) + 2(MEM)
886 send_hdr->w0.sizem1 = 3;
887 send_hdr_ext->w0.tstmp = 1;
889 /* To calculate the offset for send_mem,
890 * send_hdr->w0.sizem1 * 2
892 send_mem = (struct nix_send_mem_s *)(txq->cmd +
893 (send_hdr->w0.sizem1 << 1));
894 send_mem->subdc = NIX_SUBDC_MEM;
895 send_mem->alg = NIX_SENDMEMALG_SETTSTMP;
896 send_mem->addr = txq->dev->tstamp.tx_tstamp_iova;
898 sg = (union nix_send_sg_s *)&txq->cmd[4];
900 send_hdr = (struct nix_send_hdr_s *)&txq->cmd[0];
901 /* 2(HDR) + 1(SG) + 1(IOVA) = 4/2 - 1 = 1 */
902 send_hdr->w0.sizem1 = 1;
903 sg = (union nix_send_sg_s *)&txq->cmd[2];
906 send_hdr->w0.sq = txq->sq;
907 sg->subdc = NIX_SUBDC_SG;
909 sg->ld_type = NIX_SENDLDTYPE_LDD;
915 otx2_nix_tx_queue_release(void *_txq)
917 struct otx2_eth_txq *txq = _txq;
918 struct rte_eth_dev *eth_dev;
923 eth_dev = txq->dev->eth_dev;
925 otx2_nix_dbg("Releasing txq %u", txq->sq);
927 /* Flush and disable tm */
928 otx2_nix_tm_sw_xoff(txq, eth_dev->data->dev_started);
930 /* Free sqb's and disable sq */
934 rte_mempool_free(txq->sqb_pool);
935 txq->sqb_pool = NULL;
942 otx2_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t sq,
943 uint16_t nb_desc, unsigned int socket_id,
944 const struct rte_eth_txconf *tx_conf)
946 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
947 const struct rte_memzone *fc;
948 struct otx2_eth_txq *txq;
954 /* Compile time check to make sure all fast path elements in a CL */
955 RTE_BUILD_BUG_ON(offsetof(struct otx2_eth_txq, slow_path_start) >= 128);
957 if (tx_conf->tx_deferred_start) {
958 otx2_err("Tx deferred start is not supported");
962 /* Free memory prior to re-allocation if needed. */
963 if (eth_dev->data->tx_queues[sq] != NULL) {
964 otx2_nix_dbg("Freeing memory prior to re-allocation %d", sq);
965 otx2_nix_tx_queue_release(eth_dev->data->tx_queues[sq]);
966 eth_dev->data->tx_queues[sq] = NULL;
969 /* Find the expected offloads for this queue */
970 offloads = tx_conf->offloads | eth_dev->data->dev_conf.txmode.offloads;
972 /* Allocating tx queue data structure */
973 txq = rte_zmalloc_socket("otx2_ethdev TX queue", sizeof(*txq),
974 OTX2_ALIGN, socket_id);
976 otx2_err("Failed to alloc txq=%d", sq);
982 txq->sqb_pool = NULL;
983 txq->offloads = offloads;
984 dev->tx_offloads |= offloads;
987 * Allocate memory for flow control updates from HW.
988 * Alloc one cache line, so that fits all FC_STYPE modes.
990 fc = rte_eth_dma_zone_reserve(eth_dev, "fcmem", sq,
991 OTX2_ALIGN + sizeof(struct npa_aura_s),
992 OTX2_ALIGN, dev->node);
994 otx2_err("Failed to allocate mem for fcmem");
998 txq->fc_iova = fc->iova;
999 txq->fc_mem = fc->addr;
1001 /* Initialize the aura sqb pool */
1002 rc = nix_alloc_sqb_pool(eth_dev->data->port_id, txq, nb_desc);
1004 otx2_err("Failed to alloc sqe pool rc=%d", rc);
1008 /* Initialize the SQ */
1009 rc = nix_sq_init(txq);
1011 otx2_err("Failed to init sq=%d context", sq);
1015 txq->fc_cache_pkts = 0;
1016 txq->io_addr = dev->base + NIX_LF_OP_SENDX(0);
1017 /* Evenly distribute LMT slot for each sq */
1018 txq->lmt_addr = (void *)(dev->lmt_addr + ((sq & LMT_SLOT_MASK) << 12));
1020 txq->qconf.socket_id = socket_id;
1021 txq->qconf.nb_desc = nb_desc;
1022 memcpy(&txq->qconf.conf.tx, tx_conf, sizeof(struct rte_eth_txconf));
1024 otx2_nix_form_default_desc(txq);
1026 otx2_nix_dbg("sq=%d fc=%p offload=0x%" PRIx64 " sqb=0x%" PRIx64 ""
1027 " lmt_addr=%p nb_sqb_bufs=%d sqes_per_sqb_log2=%d", sq,
1028 fc->addr, offloads, txq->sqb_pool->pool_id, txq->lmt_addr,
1029 txq->nb_sqb_bufs, txq->sqes_per_sqb_log2);
1030 eth_dev->data->tx_queues[sq] = txq;
1031 eth_dev->data->tx_queue_state[sq] = RTE_ETH_QUEUE_STATE_STOPPED;
1035 otx2_nix_tx_queue_release(txq);
1041 nix_store_queue_cfg_and_then_release(struct rte_eth_dev *eth_dev)
1043 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1044 struct otx2_eth_qconf *tx_qconf = NULL;
1045 struct otx2_eth_qconf *rx_qconf = NULL;
1046 struct otx2_eth_txq **txq;
1047 struct otx2_eth_rxq **rxq;
1048 int i, nb_rxq, nb_txq;
1050 nb_rxq = RTE_MIN(dev->configured_nb_rx_qs, eth_dev->data->nb_rx_queues);
1051 nb_txq = RTE_MIN(dev->configured_nb_tx_qs, eth_dev->data->nb_tx_queues);
1053 tx_qconf = malloc(nb_txq * sizeof(*tx_qconf));
1054 if (tx_qconf == NULL) {
1055 otx2_err("Failed to allocate memory for tx_qconf");
1059 rx_qconf = malloc(nb_rxq * sizeof(*rx_qconf));
1060 if (rx_qconf == NULL) {
1061 otx2_err("Failed to allocate memory for rx_qconf");
1065 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1066 for (i = 0; i < nb_txq; i++) {
1067 if (txq[i] == NULL) {
1068 otx2_err("txq[%d] is already released", i);
1071 memcpy(&tx_qconf[i], &txq[i]->qconf, sizeof(*tx_qconf));
1072 otx2_nix_tx_queue_release(txq[i]);
1073 eth_dev->data->tx_queues[i] = NULL;
1076 rxq = (struct otx2_eth_rxq **)eth_dev->data->rx_queues;
1077 for (i = 0; i < nb_rxq; i++) {
1078 if (rxq[i] == NULL) {
1079 otx2_err("rxq[%d] is already released", i);
1082 memcpy(&rx_qconf[i], &rxq[i]->qconf, sizeof(*rx_qconf));
1083 otx2_nix_rx_queue_release(rxq[i]);
1084 eth_dev->data->rx_queues[i] = NULL;
1087 dev->tx_qconf = tx_qconf;
1088 dev->rx_qconf = rx_qconf;
1101 nix_restore_queue_cfg(struct rte_eth_dev *eth_dev)
1103 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1104 struct otx2_eth_qconf *tx_qconf = dev->tx_qconf;
1105 struct otx2_eth_qconf *rx_qconf = dev->rx_qconf;
1106 struct otx2_eth_txq **txq;
1107 struct otx2_eth_rxq **rxq;
1108 int rc, i, nb_rxq, nb_txq;
1110 nb_rxq = RTE_MIN(dev->configured_nb_rx_qs, eth_dev->data->nb_rx_queues);
1111 nb_txq = RTE_MIN(dev->configured_nb_tx_qs, eth_dev->data->nb_tx_queues);
1114 /* Setup tx & rx queues with previous configuration so
1115 * that the queues can be functional in cases like ports
1116 * are started without re configuring queues.
1118 * Usual re config sequence is like below:
1119 * port_configure() {
1124 * queue_configure() {
1131 * In some application's control path, queue_configure() would
1132 * NOT be invoked for TXQs/RXQs in port_configure().
1133 * In such cases, queues can be functional after start as the
1134 * queues are already setup in port_configure().
1136 for (i = 0; i < nb_txq; i++) {
1137 rc = otx2_nix_tx_queue_setup(eth_dev, i, tx_qconf[i].nb_desc,
1138 tx_qconf[i].socket_id,
1139 &tx_qconf[i].conf.tx);
1141 otx2_err("Failed to setup tx queue rc=%d", rc);
1142 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1143 for (i -= 1; i >= 0; i--)
1144 otx2_nix_tx_queue_release(txq[i]);
1149 free(tx_qconf); tx_qconf = NULL;
1151 for (i = 0; i < nb_rxq; i++) {
1152 rc = otx2_nix_rx_queue_setup(eth_dev, i, rx_qconf[i].nb_desc,
1153 rx_qconf[i].socket_id,
1154 &rx_qconf[i].conf.rx,
1155 rx_qconf[i].mempool);
1157 otx2_err("Failed to setup rx queue rc=%d", rc);
1158 rxq = (struct otx2_eth_rxq **)eth_dev->data->rx_queues;
1159 for (i -= 1; i >= 0; i--)
1160 otx2_nix_rx_queue_release(rxq[i]);
1161 goto release_tx_queues;
1165 free(rx_qconf); rx_qconf = NULL;
1170 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1171 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
1172 otx2_nix_tx_queue_release(txq[i]);
1183 nix_eth_nop_burst(void *queue, struct rte_mbuf **mbufs, uint16_t pkts)
1185 RTE_SET_USED(queue);
1186 RTE_SET_USED(mbufs);
1193 nix_set_nop_rxtx_function(struct rte_eth_dev *eth_dev)
1195 /* These dummy functions are required for supporting
1196 * some applications which reconfigure queues without
1197 * stopping tx burst and rx burst threads(eg kni app)
1198 * When the queues context is saved, txq/rxqs are released
1199 * which caused app crash since rx/tx burst is still
1200 * on different lcores
1202 eth_dev->tx_pkt_burst = nix_eth_nop_burst;
1203 eth_dev->rx_pkt_burst = nix_eth_nop_burst;
1208 otx2_nix_configure(struct rte_eth_dev *eth_dev)
1210 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1211 struct rte_eth_dev_data *data = eth_dev->data;
1212 struct rte_eth_conf *conf = &data->dev_conf;
1213 struct rte_eth_rxmode *rxmode = &conf->rxmode;
1214 struct rte_eth_txmode *txmode = &conf->txmode;
1215 char ea_fmt[RTE_ETHER_ADDR_FMT_SIZE];
1216 struct rte_ether_addr *ea;
1217 uint8_t nb_rxq, nb_txq;
1223 if (rte_eal_has_hugepages() == 0) {
1224 otx2_err("Huge page is not configured");
1225 goto fail_configure;
1228 if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
1229 otx2_err("Setting link speed/duplex not supported");
1230 goto fail_configure;
1233 if (conf->dcb_capability_en == 1) {
1234 otx2_err("dcb enable is not supported");
1235 goto fail_configure;
1238 if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
1239 otx2_err("Flow director is not supported");
1240 goto fail_configure;
1243 if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
1244 rxmode->mq_mode != ETH_MQ_RX_RSS) {
1245 otx2_err("Unsupported mq rx mode %d", rxmode->mq_mode);
1246 goto fail_configure;
1249 if (txmode->mq_mode != ETH_MQ_TX_NONE) {
1250 otx2_err("Unsupported mq tx mode %d", txmode->mq_mode);
1251 goto fail_configure;
1254 if (otx2_dev_is_Ax(dev) &&
1255 (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) &&
1256 ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) ||
1257 (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) {
1258 otx2_err("Outer IP and SCTP checksum unsupported");
1259 goto fail_configure;
1262 /* Free the resources allocated from the previous configure */
1263 if (dev->configured == 1) {
1264 otx2_nix_rxchan_bpid_cfg(eth_dev, false);
1265 otx2_nix_vlan_fini(eth_dev);
1266 otx2_flow_free_all_resources(dev);
1267 oxt2_nix_unregister_queue_irqs(eth_dev);
1268 if (eth_dev->data->dev_conf.intr_conf.rxq)
1269 oxt2_nix_unregister_cq_irqs(eth_dev);
1270 nix_set_nop_rxtx_function(eth_dev);
1271 rc = nix_store_queue_cfg_and_then_release(eth_dev);
1273 goto fail_configure;
1274 otx2_nix_tm_fini(eth_dev);
1278 dev->rx_offloads = rxmode->offloads;
1279 dev->tx_offloads = txmode->offloads;
1280 dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev);
1281 dev->tx_offload_flags |= nix_tx_offload_flags(eth_dev);
1282 dev->rss_info.rss_grps = NIX_RSS_GRPS;
1284 nb_rxq = RTE_MAX(data->nb_rx_queues, 1);
1285 nb_txq = RTE_MAX(data->nb_tx_queues, 1);
1287 /* Alloc a nix lf */
1288 rc = nix_lf_alloc(dev, nb_rxq, nb_txq);
1290 otx2_err("Failed to init nix_lf rc=%d", rc);
1295 rc = otx2_nix_rss_config(eth_dev);
1297 otx2_err("Failed to configure rss rc=%d", rc);
1301 /* Init the default TM scheduler hierarchy */
1302 rc = otx2_nix_tm_init_default(eth_dev);
1304 otx2_err("Failed to init traffic manager rc=%d", rc);
1308 rc = otx2_nix_vlan_offload_init(eth_dev);
1310 otx2_err("Failed to init vlan offload rc=%d", rc);
1314 /* Register queue IRQs */
1315 rc = oxt2_nix_register_queue_irqs(eth_dev);
1317 otx2_err("Failed to register queue interrupts rc=%d", rc);
1321 /* Register cq IRQs */
1322 if (eth_dev->data->dev_conf.intr_conf.rxq) {
1323 if (eth_dev->data->nb_rx_queues > dev->cints) {
1324 otx2_err("Rx interrupt cannot be enabled, rxq > %d",
1328 /* Rx interrupt feature cannot work with vector mode because,
1329 * vector mode doesn't process packets unless min 4 pkts are
1330 * received, while cq interrupts are generated even for 1 pkt
1333 dev->scalar_ena = true;
1335 rc = oxt2_nix_register_cq_irqs(eth_dev);
1337 otx2_err("Failed to register CQ interrupts rc=%d", rc);
1342 /* Configure loop back mode */
1343 rc = cgx_intlbk_enable(dev, eth_dev->data->dev_conf.lpbk_mode);
1345 otx2_err("Failed to configure cgx loop back mode rc=%d", rc);
1349 rc = otx2_nix_rxchan_bpid_cfg(eth_dev, true);
1351 otx2_err("Failed to configure nix rx chan bpid cfg rc=%d", rc);
1356 * Restore queue config when reconfigure followed by
1357 * reconfigure and no queue configure invoked from application case.
1359 if (dev->configured == 1) {
1360 rc = nix_restore_queue_cfg(eth_dev);
1365 /* Update the mac address */
1366 ea = eth_dev->data->mac_addrs;
1367 memcpy(ea, dev->mac_addr, RTE_ETHER_ADDR_LEN);
1368 if (rte_is_zero_ether_addr(ea))
1369 rte_eth_random_addr((uint8_t *)ea);
1371 rte_ether_format_addr(ea_fmt, RTE_ETHER_ADDR_FMT_SIZE, ea);
1373 otx2_nix_dbg("Configured port%d mac=%s nb_rxq=%d nb_txq=%d"
1374 " rx_offloads=0x%" PRIx64 " tx_offloads=0x%" PRIx64 ""
1375 " rx_flags=0x%x tx_flags=0x%x",
1376 eth_dev->data->port_id, ea_fmt, nb_rxq,
1377 nb_txq, dev->rx_offloads, dev->tx_offloads,
1378 dev->rx_offload_flags, dev->tx_offload_flags);
1381 dev->configured = 1;
1382 dev->configured_nb_rx_qs = data->nb_rx_queues;
1383 dev->configured_nb_tx_qs = data->nb_tx_queues;
1387 oxt2_nix_unregister_cq_irqs(eth_dev);
1389 oxt2_nix_unregister_queue_irqs(eth_dev);
1391 otx2_nix_vlan_fini(eth_dev);
1393 otx2_nix_tm_fini(eth_dev);
1397 dev->rx_offload_flags &= ~nix_rx_offload_flags(eth_dev);
1398 dev->tx_offload_flags &= ~nix_tx_offload_flags(eth_dev);
1400 dev->configured = 0;
1405 otx2_nix_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qidx)
1407 struct rte_eth_dev_data *data = eth_dev->data;
1408 struct otx2_eth_txq *txq;
1411 txq = eth_dev->data->tx_queues[qidx];
1413 if (data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
1416 rc = otx2_nix_sq_sqb_aura_fc(txq, true);
1418 otx2_err("Failed to enable sqb aura fc, txq=%u, rc=%d",
1423 data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
1430 otx2_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
1432 struct rte_eth_dev_data *data = eth_dev->data;
1433 struct otx2_eth_txq *txq;
1436 txq = eth_dev->data->tx_queues[qidx];
1438 if (data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
1441 txq->fc_cache_pkts = 0;
1443 rc = otx2_nix_sq_sqb_aura_fc(txq, false);
1445 otx2_err("Failed to disable sqb aura fc, txq=%u, rc=%d",
1450 data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1457 otx2_nix_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qidx)
1459 struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[qidx];
1460 struct rte_eth_dev_data *data = eth_dev->data;
1463 if (data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
1466 rc = nix_rq_enb_dis(rxq->eth_dev, rxq, true);
1468 otx2_err("Failed to enable rxq=%u, rc=%d", qidx, rc);
1472 data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
1479 otx2_nix_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
1481 struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[qidx];
1482 struct rte_eth_dev_data *data = eth_dev->data;
1485 if (data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
1488 rc = nix_rq_enb_dis(rxq->eth_dev, rxq, false);
1490 otx2_err("Failed to disable rxq=%u, rc=%d", qidx, rc);
1494 data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1501 otx2_nix_dev_stop(struct rte_eth_dev *eth_dev)
1503 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1504 struct rte_mbuf *rx_pkts[32];
1505 struct otx2_eth_rxq *rxq;
1506 int count, i, j, rc;
1508 nix_cgx_stop_link_event(dev);
1509 npc_rx_disable(dev);
1511 /* Stop rx queues and free up pkts pending */
1512 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
1513 rc = otx2_nix_rx_queue_stop(eth_dev, i);
1517 rxq = eth_dev->data->rx_queues[i];
1518 count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32);
1520 for (j = 0; j < count; j++)
1521 rte_pktmbuf_free(rx_pkts[j]);
1522 count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32);
1526 /* Stop tx queues */
1527 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
1528 otx2_nix_tx_queue_stop(eth_dev, i);
1532 otx2_nix_dev_start(struct rte_eth_dev *eth_dev)
1534 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1537 if (eth_dev->data->nb_rx_queues != 0) {
1538 rc = otx2_nix_recalc_mtu(eth_dev);
1543 /* Start rx queues */
1544 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
1545 rc = otx2_nix_rx_queue_start(eth_dev, i);
1550 /* Start tx queues */
1551 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
1552 rc = otx2_nix_tx_queue_start(eth_dev, i);
1557 rc = otx2_nix_update_flow_ctrl_mode(eth_dev);
1559 otx2_err("Failed to update flow ctrl mode %d", rc);
1563 /* Enable PTP if it was requested by the app or if it is already
1564 * enabled in PF owning this VF
1566 memset(&dev->tstamp, 0, sizeof(struct otx2_timesync_info));
1567 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) ||
1568 otx2_ethdev_is_ptp_en(dev))
1569 otx2_nix_timesync_enable(eth_dev);
1571 otx2_nix_timesync_disable(eth_dev);
1573 rc = npc_rx_enable(dev);
1575 otx2_err("Failed to enable NPC rx %d", rc);
1579 otx2_nix_toggle_flag_link_cfg(dev, true);
1581 rc = nix_cgx_start_link_event(dev);
1583 otx2_err("Failed to start cgx link event %d", rc);
1587 otx2_nix_toggle_flag_link_cfg(dev, false);
1588 otx2_eth_set_tx_function(eth_dev);
1589 otx2_eth_set_rx_function(eth_dev);
1594 npc_rx_disable(dev);
1595 otx2_nix_toggle_flag_link_cfg(dev, false);
1599 static int otx2_nix_dev_reset(struct rte_eth_dev *eth_dev);
1600 static void otx2_nix_dev_close(struct rte_eth_dev *eth_dev);
1602 /* Initialize and register driver with DPDK Application */
1603 static const struct eth_dev_ops otx2_eth_dev_ops = {
1604 .dev_infos_get = otx2_nix_info_get,
1605 .dev_configure = otx2_nix_configure,
1606 .link_update = otx2_nix_link_update,
1607 .tx_queue_setup = otx2_nix_tx_queue_setup,
1608 .tx_queue_release = otx2_nix_tx_queue_release,
1609 .rx_queue_setup = otx2_nix_rx_queue_setup,
1610 .rx_queue_release = otx2_nix_rx_queue_release,
1611 .dev_start = otx2_nix_dev_start,
1612 .dev_stop = otx2_nix_dev_stop,
1613 .dev_close = otx2_nix_dev_close,
1614 .tx_queue_start = otx2_nix_tx_queue_start,
1615 .tx_queue_stop = otx2_nix_tx_queue_stop,
1616 .rx_queue_start = otx2_nix_rx_queue_start,
1617 .rx_queue_stop = otx2_nix_rx_queue_stop,
1618 .dev_set_link_up = otx2_nix_dev_set_link_up,
1619 .dev_set_link_down = otx2_nix_dev_set_link_down,
1620 .dev_supported_ptypes_get = otx2_nix_supported_ptypes_get,
1621 .dev_reset = otx2_nix_dev_reset,
1622 .stats_get = otx2_nix_dev_stats_get,
1623 .stats_reset = otx2_nix_dev_stats_reset,
1624 .get_reg = otx2_nix_dev_get_reg,
1625 .mtu_set = otx2_nix_mtu_set,
1626 .mac_addr_add = otx2_nix_mac_addr_add,
1627 .mac_addr_remove = otx2_nix_mac_addr_del,
1628 .mac_addr_set = otx2_nix_mac_addr_set,
1629 .promiscuous_enable = otx2_nix_promisc_enable,
1630 .promiscuous_disable = otx2_nix_promisc_disable,
1631 .allmulticast_enable = otx2_nix_allmulticast_enable,
1632 .allmulticast_disable = otx2_nix_allmulticast_disable,
1633 .queue_stats_mapping_set = otx2_nix_queue_stats_mapping,
1634 .reta_update = otx2_nix_dev_reta_update,
1635 .reta_query = otx2_nix_dev_reta_query,
1636 .rss_hash_update = otx2_nix_rss_hash_update,
1637 .rss_hash_conf_get = otx2_nix_rss_hash_conf_get,
1638 .xstats_get = otx2_nix_xstats_get,
1639 .xstats_get_names = otx2_nix_xstats_get_names,
1640 .xstats_reset = otx2_nix_xstats_reset,
1641 .xstats_get_by_id = otx2_nix_xstats_get_by_id,
1642 .xstats_get_names_by_id = otx2_nix_xstats_get_names_by_id,
1643 .rxq_info_get = otx2_nix_rxq_info_get,
1644 .txq_info_get = otx2_nix_txq_info_get,
1645 .rx_queue_count = otx2_nix_rx_queue_count,
1646 .rx_descriptor_done = otx2_nix_rx_descriptor_done,
1647 .rx_descriptor_status = otx2_nix_rx_descriptor_status,
1648 .tx_done_cleanup = otx2_nix_tx_done_cleanup,
1649 .pool_ops_supported = otx2_nix_pool_ops_supported,
1650 .filter_ctrl = otx2_nix_dev_filter_ctrl,
1651 .get_module_info = otx2_nix_get_module_info,
1652 .get_module_eeprom = otx2_nix_get_module_eeprom,
1653 .fw_version_get = otx2_nix_fw_version_get,
1654 .flow_ctrl_get = otx2_nix_flow_ctrl_get,
1655 .flow_ctrl_set = otx2_nix_flow_ctrl_set,
1656 .timesync_enable = otx2_nix_timesync_enable,
1657 .timesync_disable = otx2_nix_timesync_disable,
1658 .timesync_read_rx_timestamp = otx2_nix_timesync_read_rx_timestamp,
1659 .timesync_read_tx_timestamp = otx2_nix_timesync_read_tx_timestamp,
1660 .timesync_adjust_time = otx2_nix_timesync_adjust_time,
1661 .timesync_read_time = otx2_nix_timesync_read_time,
1662 .timesync_write_time = otx2_nix_timesync_write_time,
1663 .vlan_offload_set = otx2_nix_vlan_offload_set,
1664 .vlan_filter_set = otx2_nix_vlan_filter_set,
1665 .vlan_strip_queue_set = otx2_nix_vlan_strip_queue_set,
1666 .vlan_tpid_set = otx2_nix_vlan_tpid_set,
1667 .vlan_pvid_set = otx2_nix_vlan_pvid_set,
1668 .rx_queue_intr_enable = otx2_nix_rx_queue_intr_enable,
1669 .rx_queue_intr_disable = otx2_nix_rx_queue_intr_disable,
1670 .read_clock = otx2_nix_read_clock,
1674 nix_lf_attach(struct otx2_eth_dev *dev)
1676 struct otx2_mbox *mbox = dev->mbox;
1677 struct rsrc_attach_req *req;
1679 /* Attach NIX(lf) */
1680 req = otx2_mbox_alloc_msg_attach_resources(mbox);
1684 return otx2_mbox_process(mbox);
1688 nix_lf_get_msix_offset(struct otx2_eth_dev *dev)
1690 struct otx2_mbox *mbox = dev->mbox;
1691 struct msix_offset_rsp *msix_rsp;
1694 /* Get NPA and NIX MSIX vector offsets */
1695 otx2_mbox_alloc_msg_msix_offset(mbox);
1697 rc = otx2_mbox_process_msg(mbox, (void *)&msix_rsp);
1699 dev->nix_msixoff = msix_rsp->nix_msixoff;
1705 otx2_eth_dev_lf_detach(struct otx2_mbox *mbox)
1707 struct rsrc_detach_req *req;
1709 req = otx2_mbox_alloc_msg_detach_resources(mbox);
1711 /* Detach all except npa lf */
1712 req->partial = true;
1719 return otx2_mbox_process(mbox);
1723 otx2_eth_dev_init(struct rte_eth_dev *eth_dev)
1725 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1726 struct rte_pci_device *pci_dev;
1727 int rc, max_entries;
1729 eth_dev->dev_ops = &otx2_eth_dev_ops;
1731 /* For secondary processes, the primary has done all the work */
1732 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1733 /* Setup callbacks for secondary process */
1734 otx2_eth_set_tx_function(eth_dev);
1735 otx2_eth_set_rx_function(eth_dev);
1739 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1741 rte_eth_copy_pci_info(eth_dev, pci_dev);
1742 eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
1744 /* Zero out everything after OTX2_DEV to allow proper dev_reset() */
1745 memset(&dev->otx2_eth_dev_data_start, 0, sizeof(*dev) -
1746 offsetof(struct otx2_eth_dev, otx2_eth_dev_data_start));
1748 /* Parse devargs string */
1749 rc = otx2_ethdev_parse_devargs(eth_dev->device->devargs, dev);
1751 otx2_err("Failed to parse devargs rc=%d", rc);
1755 if (!dev->mbox_active) {
1756 /* Initialize the base otx2_dev object
1757 * only if already present
1759 rc = otx2_dev_init(pci_dev, dev);
1761 otx2_err("Failed to initialize otx2_dev rc=%d", rc);
1765 /* Device generic callbacks */
1766 dev->ops = &otx2_dev_ops;
1767 dev->eth_dev = eth_dev;
1769 /* Grab the NPA LF if required */
1770 rc = otx2_npa_lf_init(pci_dev, dev);
1772 goto otx2_dev_uninit;
1774 dev->configured = 0;
1775 dev->drv_inited = true;
1776 dev->base = dev->bar2 + (RVU_BLOCK_ADDR_NIX0 << 20);
1777 dev->lmt_addr = dev->bar2 + (RVU_BLOCK_ADDR_LMT << 20);
1780 rc = nix_lf_attach(dev);
1782 goto otx2_npa_uninit;
1784 /* Get NIX MSIX offset */
1785 rc = nix_lf_get_msix_offset(dev);
1787 goto otx2_npa_uninit;
1789 /* Register LF irq handlers */
1790 rc = otx2_nix_register_irqs(eth_dev);
1794 /* Get maximum number of supported MAC entries */
1795 max_entries = otx2_cgx_mac_max_entries_get(dev);
1796 if (max_entries < 0) {
1797 otx2_err("Failed to get max entries for mac addr");
1799 goto unregister_irq;
1802 /* For VFs, returned max_entries will be 0. But to keep default MAC
1803 * address, one entry must be allocated. So setting up to 1.
1805 if (max_entries == 0)
1808 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", max_entries *
1809 RTE_ETHER_ADDR_LEN, 0);
1810 if (eth_dev->data->mac_addrs == NULL) {
1811 otx2_err("Failed to allocate memory for mac addr");
1813 goto unregister_irq;
1816 dev->max_mac_entries = max_entries;
1818 rc = otx2_nix_mac_addr_get(eth_dev, dev->mac_addr);
1820 goto free_mac_addrs;
1822 /* Update the mac address */
1823 memcpy(eth_dev->data->mac_addrs, dev->mac_addr, RTE_ETHER_ADDR_LEN);
1825 /* Also sync same MAC address to CGX table */
1826 otx2_cgx_mac_addr_set(eth_dev, ð_dev->data->mac_addrs[0]);
1828 /* Initialize the tm data structures */
1829 otx2_nix_tm_conf_init(eth_dev);
1831 dev->tx_offload_capa = nix_get_tx_offload_capa(dev);
1832 dev->rx_offload_capa = nix_get_rx_offload_capa(dev);
1834 if (otx2_dev_is_96xx_A0(dev) ||
1835 otx2_dev_is_95xx_Ax(dev)) {
1836 dev->hwcap |= OTX2_FIXUP_F_MIN_4K_Q;
1837 dev->hwcap |= OTX2_FIXUP_F_LIMIT_CQ_FULL;
1840 /* Initialize rte-flow */
1841 rc = otx2_flow_init(dev);
1843 goto free_mac_addrs;
1845 otx2_nix_dbg("Port=%d pf=%d vf=%d ver=%s msix_off=%d hwcap=0x%" PRIx64
1846 " rxoffload_capa=0x%" PRIx64 " txoffload_capa=0x%" PRIx64,
1847 eth_dev->data->port_id, dev->pf, dev->vf,
1848 OTX2_ETH_DEV_PMD_VERSION, dev->nix_msixoff, dev->hwcap,
1849 dev->rx_offload_capa, dev->tx_offload_capa);
1853 rte_free(eth_dev->data->mac_addrs);
1855 otx2_nix_unregister_irqs(eth_dev);
1857 otx2_eth_dev_lf_detach(dev->mbox);
1861 otx2_dev_fini(pci_dev, dev);
1863 otx2_err("Failed to init nix eth_dev rc=%d", rc);
1868 otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
1870 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1871 struct rte_pci_device *pci_dev;
1874 /* Nothing to be done for secondary processes */
1875 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1878 /* Clear the flag since we are closing down */
1879 dev->configured = 0;
1881 /* Disable nix bpid config */
1882 otx2_nix_rxchan_bpid_cfg(eth_dev, false);
1884 npc_rx_disable(dev);
1886 /* Disable vlan offloads */
1887 otx2_nix_vlan_fini(eth_dev);
1889 /* Disable other rte_flow entries */
1890 otx2_flow_fini(dev);
1892 /* Disable PTP if already enabled */
1893 if (otx2_ethdev_is_ptp_en(dev))
1894 otx2_nix_timesync_disable(eth_dev);
1896 nix_cgx_stop_link_event(dev);
1899 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
1900 otx2_nix_tx_queue_release(eth_dev->data->tx_queues[i]);
1901 eth_dev->data->tx_queues[i] = NULL;
1903 eth_dev->data->nb_tx_queues = 0;
1905 /* Free up RQ's and CQ's */
1906 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
1907 otx2_nix_rx_queue_release(eth_dev->data->rx_queues[i]);
1908 eth_dev->data->rx_queues[i] = NULL;
1910 eth_dev->data->nb_rx_queues = 0;
1912 /* Free tm resources */
1913 rc = otx2_nix_tm_fini(eth_dev);
1915 otx2_err("Failed to cleanup tm, rc=%d", rc);
1917 /* Unregister queue irqs */
1918 oxt2_nix_unregister_queue_irqs(eth_dev);
1920 /* Unregister cq irqs */
1921 if (eth_dev->data->dev_conf.intr_conf.rxq)
1922 oxt2_nix_unregister_cq_irqs(eth_dev);
1924 rc = nix_lf_free(dev);
1926 otx2_err("Failed to free nix lf, rc=%d", rc);
1928 rc = otx2_npa_lf_fini();
1930 otx2_err("Failed to cleanup npa lf, rc=%d", rc);
1932 rte_free(eth_dev->data->mac_addrs);
1933 eth_dev->data->mac_addrs = NULL;
1934 dev->drv_inited = false;
1936 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1937 otx2_nix_unregister_irqs(eth_dev);
1939 rc = otx2_eth_dev_lf_detach(dev->mbox);
1941 otx2_err("Failed to detach resources, rc=%d", rc);
1943 /* Check if mbox close is needed */
1947 if (otx2_npa_lf_active(dev) || otx2_dev_active_vfs(dev)) {
1948 /* Will be freed later by PMD */
1949 eth_dev->data->dev_private = NULL;
1953 otx2_dev_fini(pci_dev, dev);
1958 otx2_nix_dev_close(struct rte_eth_dev *eth_dev)
1960 otx2_eth_dev_uninit(eth_dev, true);
1964 otx2_nix_dev_reset(struct rte_eth_dev *eth_dev)
1968 rc = otx2_eth_dev_uninit(eth_dev, false);
1972 return otx2_eth_dev_init(eth_dev);
1976 nix_remove(struct rte_pci_device *pci_dev)
1978 struct rte_eth_dev *eth_dev;
1979 struct otx2_idev_cfg *idev;
1980 struct otx2_dev *otx2_dev;
1983 eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
1985 /* Cleanup eth dev */
1986 rc = otx2_eth_dev_uninit(eth_dev, true);
1990 rte_eth_dev_pci_release(eth_dev);
1993 /* Nothing to be done for secondary processes */
1994 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1997 /* Check for common resources */
1998 idev = otx2_intra_dev_get_cfg();
1999 if (!idev || !idev->npa_lf || idev->npa_lf->pci_dev != pci_dev)
2002 otx2_dev = container_of(idev->npa_lf, struct otx2_dev, npalf);
2004 if (otx2_npa_lf_active(otx2_dev) || otx2_dev_active_vfs(otx2_dev))
2007 /* Safe to cleanup mbox as no more users */
2008 otx2_dev_fini(pci_dev, otx2_dev);
2013 otx2_info("%s: common resource in use by other devices", pci_dev->name);
2018 nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
2022 RTE_SET_USED(pci_drv);
2024 rc = rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct otx2_eth_dev),
2027 /* On error on secondary, recheck if port exists in primary or
2028 * in mid of detach state.
2030 if (rte_eal_process_type() != RTE_PROC_PRIMARY && rc)
2031 if (!rte_eth_dev_allocated(pci_dev->device.name))
2036 static const struct rte_pci_id pci_nix_map[] = {
2038 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_PF)
2041 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_VF)
2044 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
2045 PCI_DEVID_OCTEONTX2_RVU_AF_VF)
2052 static struct rte_pci_driver pci_nix = {
2053 .id_table = pci_nix_map,
2054 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA |
2055 RTE_PCI_DRV_INTR_LSC,
2057 .remove = nix_remove,
2060 RTE_PMD_REGISTER_PCI(net_octeontx2, pci_nix);
2061 RTE_PMD_REGISTER_PCI_TABLE(net_octeontx2, pci_nix_map);
2062 RTE_PMD_REGISTER_KMOD_DEP(net_octeontx2, "vfio-pci");